Merge branch 'update_version' into 'core_r0.5.0'

Update 0.5.0 version in package info

See merge request ADLR/megatron-lm!1158

Author: jaredcasper

megatron/core/package_info.py

@@ -4,7 +4,7 @@
 MAJOR = 0
 MINOR = 5
 PATCH = 0
-PRE_RELEASE = 'rc0'
+PRE_RELEASE = ''
 
 # Use the following formatting: (major, minor, patch, pre-release)
 VERSION = (MAJOR, MINOR, PATCH, PRE_RELEASE)